81549840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 265982976

約数和(自身を除く): 184433136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 97, 113, 120, 124, 155, 186, 194, 226, 240, 248, 291, 310, 339, 372, 388, 452, 465, 485, 496, 565, 582, 620, 678, 744, 776, 904, 930, 970, 1130, 1164, 1240, 1356, 1455, 1488, 1552, 1695, 1808, 1860, 1940, 2260, 2328, 2480, 2712, 2910, 3007, 3390, 3503, 3720, 3880, 4520, 4656, 5424, 5820, 6014, 6780, 7006, 7440, 7760, 9021, 9040, 10509, 10961, 11640, 12028, 13560, 14012, 15035, 17515, 18042, 21018, 21922, 23280, 24056, 27120, 28024, 30070, 32883, 35030, 36084, 42036, 43844, 45105, 48112, 52545, 54805, 56048, 60140, 65766, 70060, 72168, 84072, 87688, 90210, 105090, 109610, 120280, 131532, 140120, 144336, 164415, 168144, 175376, 180420, 210180, 219220, 240560, 263064, 280240, 328830, 339791, 360840, 420360, 438440, 526128, 657660, 679582, 721680, 840720, 876880, 1019373, 1315320, 1359164, 1698955, 2038746, 2630640, 2718328, 3397910, 4077492, 5096865, 5436656, 6795820, 8154984, 10193730, 13591640, 16309968, 20387460, 27183280, 40774920, 81549840]

約数ペア:

[(1, 81549840), (2, 40774920), (3, 27183280), (4, 20387460), (5, 16309968), (6, 13591640), (8, 10193730), (10, 8154984), (12, 6795820), (15, 5436656), (16, 5096865), (20, 4077492), (24, 3397910), (30, 2718328), (31, 2630640), (40, 2038746), (48, 1698955), (60, 1359164), (62, 1315320), (80, 1019373), (93, 876880), (97, 840720), (113, 721680), (120, 679582), (124, 657660), (155, 526128), (186, 438440), (194, 420360), (226, 360840), (240, 339791), (248, 328830), (291, 280240), (310, 263064), (339, 240560), (372, 219220), (388, 210180), (452, 180420), (465, 175376), (485, 168144), (496, 164415), (565, 144336), (582, 140120), (620, 131532), (678, 120280), (744, 109610), (776, 105090), (904, 90210), (930, 87688), (970, 84072), (1130, 72168), (1164, 70060), (1240, 65766), (1356, 60140), (1455, 56048), (1488, 54805), (1552, 52545), (1695, 48112), (1808, 45105), (1860, 43844), (1940, 42036), (2260, 36084), (2328, 35030), (2480, 32883), (2712, 30070), (2910, 28024), (3007, 27120), (3390, 24056), (3503, 23280), (3720, 21922), (3880, 21018), (4520, 18042), (4656, 17515), (5424, 15035), (5820, 14012), (6014, 13560), (6780, 12028), (7006, 11640), (7440, 10961), (7760, 10509), (9021, 9040)]